Authors:

'T is heaven alone that is given away; 'T is only God may be had for the asking.

James Russell Lowell (2012). “The Vision of Sir Launfal And Other Poems by James Russell Lowell, Edited with an Introduction and Notes by Julian W. Abernethy, PH.D.”, p.56, tredition
'T is heaven alone that is given away; 'T is only God may be had for the asking.